Siloam Springs in Fall

In fall (September, October and November), Siloam Springs sees average daytime highs around 70°F and overnight lows near 50°F, with 11.2 in of precipitation over about 24 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 86°F in early September to 54°F by late November. The sky is clear or mostly clear about 48% of the time across fall, and the air most often feels dry.

Fall is Siloam Springs's best season of the year to visit on our travel score. For the whole year in context, see Siloam Springs's year-round climate.

Avg daytime high
70°F
2nd-warmest season
Avg overnight low
50°F
Precipitation
11.2 in
24 wet days
Avg wind
7 mph
Travel score
6.2
best season of the year
Months
Sep · Oct · Nov

Temperature in Siloam Springs in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 86°F in early September to 54°F by late November.

A typical fall day in Siloam Springs reaches about 70°F and drops to 50°F overnight. The warmest of the three months is September, the coolest November.

20°40°60°80°SepOctNov

How fall really feels in Siloam Springs

Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 9 that feel at or below 32°F.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
9
wind chill below the day's low

The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.

Siloam Springs weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan46° / 29°2.67.11.79.81.5
Feb51° / 32°2.67.21.510.62.7
Mar60° / 40°4.110.21.111.74.8
Apr68° / 49°5.411012.96.2
May76° / 58°5.412.80.113.96.4
Jun84° / 67°4.211014.45.4
Jul89° / 71°3.39.7014.24.2
Aug89° / 69°2.99013.44.5
Sep82° / 62°4.07.8012.26.7
Oct70° / 50°4.08.2011.17.1
Nov58° / 40°3.380.310.14.7
Dec48° / 32°2.87.51.59.62.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Siloam Springs gets around 11.2 in of rain and snow over 24 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 7 mph across fall.

0246810SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 48 min in early September to 9 h 42 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 3.8 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Siloam Springs?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.2
Sightseeing
1st-best month of the year
4.0
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Siloam Springs for sightseeing.

What to pack for Siloam Springs in Fall

From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In fall, Siloam Springs sees daytime highs around 70°F and nights near 50°F. Pack light clothes. Worth having: a warm layer, rain gear and sun protection. About 24 days see rain.

light clothesa warm layerrain gearsun protection

UV index in Siloam Springs in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Siloam Springs peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJul 12UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Siloam Springs in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Siloam Springs is worst in July — around 19 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (November, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodJul 1518 µg/m³Nov 236 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar12Moderate
Apr11Good
May13Moderate
Jun16Moderate
Jul19Moderate
Aug15Moderate
Sep11Good
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Siloam Springs?

Siloam Springs sits at 36.2°N, 94.5°W, 1,132 ft above sea level, in United States. The nearest listed city is Bentonville, 22 mi away.

Topography around Siloam Springs

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Siloam Springs.

Within 2 miles, the terrain around Siloam Springs has only modest variations in elevation — a maximum elevation change of 207 ft around an average of 1,142 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 640 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,031 ft.

The land around Siloam Springs is covered by grassland (40%), trees (32%) and artificial surfaces (21%) within 2 miles, trees (47%) and grassland (43%) within 10 miles, and trees (60%) and grassland (33%) within 50 miles.

2 miles
207 ft
10 miles
640 ft
50 miles
2,031 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Bentonville 22 mi · Springdale 23 mi · Fayetteville 23 mi · Bella Vista 25 mi · Rogers 25 mi · Tahlequah 30 mi · Van Buren 53 mi · Muskogee 55 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Siloam Springs (36.1881°, -94.5405°, elevation 1,132 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.